The development of collaborative network ties and configurations in the commercial biotechnology field is examined, in order to demonstrate how patterns and the logic of interaction and attachment emerge, take root, and shift over time. The ties between biotechnology firms, public research...

This paper models the dynamic process through which a large society may succeed in building up its social capital by establishing a stable and dense pattern of interaction among its members. In the model, agents interact according to a collection of infinitely repeated Prisoner's Dilemmas played...